./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be116fa-4b7e-4720-b811-2d4c9069c5f6/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be116fa-4b7e-4720-b811-2d4c9069c5f6/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be116fa-4b7e-4720-b811-2d4c9069c5f6/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be116fa-4b7e-4720-b811-2d4c9069c5f6/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be116fa-4b7e-4720-b811-2d4c9069c5f6/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be116fa-4b7e-4720-b811-2d4c9069c5f6/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 88ff815406ee05bb7be24dfe33a6433686b8428d0ee44eba6801f1c0f5610c0a ............................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:32:31,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:32:31,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:32:31,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:32:31,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:32:31,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:32:31,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:32:31,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:32:31,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:32:31,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:32:31,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:32:31,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:32:31,162 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:32:31,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:32:31,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:32:31,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:32:31,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:32:31,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:32:31,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:32:31,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:32:31,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:32:31,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:32:31,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:32:31,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:32:31,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:32:31,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:32:31,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:32:31,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:32:31,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:32:31,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:32:31,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:32:31,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:32:31,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:32:31,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:32:31,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:32:31,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:32:31,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:32:31,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:32:31,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:32:31,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:32:31,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:32:31,214 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be116fa-4b7e-4720-b811-2d4c9069c5f6/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:32:31,259 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:32:31,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:32:31,260 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:32:31,261 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:32:31,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:32:31,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:32:31,263 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:32:31,263 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:32:31,263 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:32:31,263 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:32:31,264 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:32:31,265 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:32:31,265 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:32:31,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:32:31,266 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:32:31,266 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:32:31,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:32:31,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:32:31,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:32:31,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:32:31,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:32:31,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:32:31,268 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:32:31,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:32:31,268 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:32:31,269 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:32:31,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:32:31,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:32:31,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:32:31,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:32:31,272 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:32:31,272 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:32:31,273 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:32:31,273 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be116fa-4b7e-4720-b811-2d4c9069c5f6/bin/uautomizer-UnR33cPsHg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be116fa-4b7e-4720-b811-2d4c9069c5f6/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88ff815406ee05bb7be24dfe33a6433686b8428d0ee44eba6801f1c0f5610c0a [2021-10-28 09:32:31,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:32:31,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:32:31,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:32:31,594 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:32:31,595 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:32:31,596 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be116fa-4b7e-4720-b811-2d4c9069c5f6/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2021-10-28 09:32:31,672 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be116fa-4b7e-4720-b811-2d4c9069c5f6/bin/uautomizer-UnR33cPsHg/data/d29e20c1d/20a155dced37479dbd042349f5bfac70/FLAG9ef000582 [2021-10-28 09:32:32,200 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:32:32,201 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be116fa-4b7e-4720-b811-2d4c9069c5f6/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2021-10-28 09:32:32,221 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be116fa-4b7e-4720-b811-2d4c9069c5f6/bin/uautomizer-UnR33cPsHg/data/d29e20c1d/20a155dced37479dbd042349f5bfac70/FLAG9ef000582 [2021-10-28 09:32:32,520 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be116fa-4b7e-4720-b811-2d4c9069c5f6/bin/uautomizer-UnR33cPsHg/data/d29e20c1d/20a155dced37479dbd042349f5bfac70 [2021-10-28 09:32:32,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:32:32,523 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:32:32,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:32:32,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:32:32,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:32:32,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:32:32" (1/1) ... [2021-10-28 09:32:32,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e5503f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:32, skipping insertion in model container [2021-10-28 09:32:32,531 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:32:32" (1/1) ... [2021-10-28 09:32:32,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:32:32,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:32:32,836 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be116fa-4b7e-4720-b811-2d4c9069c5f6/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c[14660,14673] [2021-10-28 09:32:32,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:32:32,865 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:32:32,952 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be116fa-4b7e-4720-b811-2d4c9069c5f6/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c[14660,14673] [2021-10-28 09:32:32,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:32:32,982 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:32:32,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:32 WrapperNode [2021-10-28 09:32:32,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:32:32,984 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:32:32,984 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:32:32,984 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:32:32,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:32" (1/1) ... [2021-10-28 09:32:33,009 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:32" (1/1) ... [2021-10-28 09:32:33,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:32:33,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:32:33,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:32:33,061 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:32:33,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:32" (1/1) ... [2021-10-28 09:32:33,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:32" (1/1) ... [2021-10-28 09:32:33,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:32" (1/1) ... [2021-10-28 09:32:33,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:32" (1/1) ... [2021-10-28 09:32:33,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:32" (1/1) ... [2021-10-28 09:32:33,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:32" (1/1) ... [2021-10-28 09:32:33,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:32" (1/1) ... [2021-10-28 09:32:33,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:32:33,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:32:33,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:32:33,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:32:33,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:32" (1/1) ... [2021-10-28 09:32:33,136 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:32:33,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be116fa-4b7e-4720-b811-2d4c9069c5f6/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:32:33,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be116fa-4b7e-4720-b811-2d4c9069c5f6/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:32:33,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be116fa-4b7e-4720-b811-2d4c9069c5f6/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:32:33,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:32:33,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:32:33,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:32:33,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:32:34,073 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:32:34,073 INFO L299 CfgBuilder]: Removed 158 assume(true) statements. [2021-10-28 09:32:34,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:32:34 BoogieIcfgContainer [2021-10-28 09:32:34,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:32:34,077 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:32:34,077 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:32:34,080 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:32:34,081 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:32:34,081 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:32:32" (1/3) ... [2021-10-28 09:32:34,082 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56f46bac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:32:34, skipping insertion in model container [2021-10-28 09:32:34,082 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:32:34,083 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:32" (2/3) ... [2021-10-28 09:32:34,083 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56f46bac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:32:34, skipping insertion in model container [2021-10-28 09:32:34,083 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:32:34,083 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:32:34" (3/3) ... [2021-10-28 09:32:34,093 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product21.cil.c [2021-10-28 09:32:34,154 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:32:34,154 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:32:34,155 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:32:34,155 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:32:34,155 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:32:34,155 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:32:34,155 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:32:34,155 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:32:34,180 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.5238095238095237) internal successors, (160), 105 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:32:34,212 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-10-28 09:32:34,213 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:32:34,213 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:32:34,220 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:34,220 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:34,220 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:32:34,221 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.5238095238095237) internal successors, (160), 105 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:32:34,232 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-10-28 09:32:34,232 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:32:34,233 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:32:34,233 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:34,234 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:34,238 INFO L791 eck$LassoCheckResult]: Stem: 99#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(13);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string48.base, #t~string48.offset, 1);call write~init~int(77, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(101, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(116, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(104, #t~string48.base, 4 + #t~string48.offset, 1);call write~init~int(58, #t~string48.base, 5 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 6 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string50.base, #t~string50.offset, 1);call write~init~int(82, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(73, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(84, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 4 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(75, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string54.base, #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 1 + #t~string54.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(80, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(117, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(109, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(112, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(110, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(32, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 33#L-1true havoc main_#res;havoc main_#t~ret44, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; 42#L687true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 107#L695true main_#t~ret44 := valid_product_#res;main_~tmp~4 := main_#t~ret44;havoc main_#t~ret44; 38#L549true assume 0 != main_~tmp~4; 68#L521true ~methAndRunningLastTime~0 := 0; 84#L425true havoc test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 20#L436-1true [2021-10-28 09:32:34,239 INFO L793 eck$LassoCheckResult]: Loop: 20#L436-1true assume !false; 59#L891true assume test_~splverifierCounter~0 < 4; 96#L892true test_~tmp~8 := test_#t~nondet76;havoc test_#t~nondet76; 66#L900true assume !(0 != test_~tmp~8); 26#L900-1true test_~tmp___0~2 := test_#t~nondet77;havoc test_#t~nondet77; 12#L910true assume !(0 != test_~tmp___0~2); 11#L910-1true test_~tmp___2~0 := test_#t~nondet78;havoc test_#t~nondet78; 101#L920true assume 0 != test_~tmp___2~0; 79#L926-2true assume !(0 != ~pumpRunning~0); 90#L709true assume !(0 != ~systemActive~0); 37#L716true havoc __utac_acc__Specification2_spec__2_#t~ret42, __utac_acc__Specification2_spec__2_#t~ret43, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 17#L610-1true __utac_acc__Specification2_spec__2_#t~ret42 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret42;havoc __utac_acc__Specification2_spec__2_#t~ret42; 31#L436true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3);~methAndRunningLastTime~0 := 0; 20#L436-1true [2021-10-28 09:32:34,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:34,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-28 09:32:34,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:34,253 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8133460] [2021-10-28 09:32:34,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:34,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:32:34,513 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:32:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:32:34,732 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:32:34,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:34,735 INFO L85 PathProgramCache]: Analyzing trace with hash 3984522, now seen corresponding path program 1 times [2021-10-28 09:32:34,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:34,735 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600814928] [2021-10-28 09:32:34,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:34,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:32:34,743 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:32:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:32:34,754 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:32:34,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:34,764 INFO L85 PathProgramCache]: Analyzing trace with hash 837281028, now seen corresponding path program 1 times [2021-10-28 09:32:34,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:34,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237063061] [2021-10-28 09:32:34,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:34,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:32:34,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:32:34,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:32:34,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237063061] [2021-10-28 09:32:34,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237063061] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:32:34,997 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:32:34,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:32:34,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135299482] [2021-10-28 09:32:35,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:32:35,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:32:35,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:32:35,140 INFO L87 Difference]: Start difference. First operand has 106 states, 105 states have (on average 1.5238095238095237) internal successors, (160), 105 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:32:35,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:32:35,407 INFO L93 Difference]: Finished difference Result 106 states and 149 transitions. [2021-10-28 09:32:35,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:32:35,415 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 106 states and 149 transitions. [2021-10-28 09:32:35,421 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2021-10-28 09:32:35,427 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 106 states to 99 states and 142 transitions. [2021-10-28 09:32:35,435 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 99 [2021-10-28 09:32:35,439 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 99 [2021-10-28 09:32:35,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 99 states and 142 transitions. [2021-10-28 09:32:35,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:32:35,441 INFO L681 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2021-10-28 09:32:35,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states and 142 transitions. [2021-10-28 09:32:35,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2021-10-28 09:32:35,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 99 states have (on average 1.4343434343434343) internal successors, (142), 98 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:32:35,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 142 transitions. [2021-10-28 09:32:35,469 INFO L704 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2021-10-28 09:32:35,469 INFO L587 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2021-10-28 09:32:35,469 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:32:35,469 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states and 142 transitions. [2021-10-28 09:32:35,476 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2021-10-28 09:32:35,476 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:32:35,477 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:32:35,477 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:35,477 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:32:35,478 INFO L791 eck$LassoCheckResult]: Stem: 328#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(13);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string48.base, #t~string48.offset, 1);call write~init~int(77, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(101, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(116, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(104, #t~string48.base, 4 + #t~string48.offset, 1);call write~init~int(58, #t~string48.base, 5 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 6 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string50.base, #t~string50.offset, 1);call write~init~int(82, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(73, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(84, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 4 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(75, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string54.base, #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 1 + #t~string54.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(80, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(117, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(109, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(112, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(110, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(32, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 279#L-1 havoc main_#res;havoc main_#t~ret44, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; 280#L687 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 295#L695 main_#t~ret44 := valid_product_#res;main_~tmp~4 := main_#t~ret44;havoc main_#t~ret44; 289#L549 assume 0 != main_~tmp~4; 290#L521 ~methAndRunningLastTime~0 := 0; 317#L425 havoc test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 249#L436-1 [2021-10-28 09:32:35,478 INFO L793 eck$LassoCheckResult]: Loop: 249#L436-1 assume !false; 259#L891 assume test_~splverifierCounter~0 < 4; 309#L892 test_~tmp~8 := test_#t~nondet76;havoc test_#t~nondet76; 316#L900 assume !(0 != test_~tmp~8); 270#L900-1 test_~tmp___0~2 := test_#t~nondet77;havoc test_#t~nondet77; 245#L910 assume !(0 != test_~tmp___0~2); 243#L910-1 test_~tmp___2~0 := test_#t~nondet78;havoc test_#t~nondet78; 244#L920 assume 0 != test_~tmp___2~0; 320#L926-2 assume !(0 != ~pumpRunning~0); 294#L709 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret57, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 322#L767 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret56, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; 323#L741-1 assume !(0 != ~pumpRunning~0); 288#L716 havoc __utac_acc__Specification2_spec__2_#t~ret42, __utac_acc__Specification2_spec__2_#t~ret43, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 254#L610-1 __utac_acc__Specification2_spec__2_#t~ret42 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret42;havoc __utac_acc__Specification2_spec__2_#t~ret42; 255#L436 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3);~methAndRunningLastTime~0 := 0; 249#L436-1 [2021-10-28 09:32:35,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:35,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-10-28 09:32:35,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:35,479 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119662822] [2021-10-28 09:32:35,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:35,479 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:32:35,529 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:32:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:32:35,598 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:32:35,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:35,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1679746780, now seen corresponding path program 1 times [2021-10-28 09:32:35,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:35,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446417221] [2021-10-28 09:32:35,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:35,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:32:35,610 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:32:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:32:35,622 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:32:35,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:32:35,624 INFO L85 PathProgramCache]: Analyzing trace with hash -681195306, now seen corresponding path program 1 times [2021-10-28 09:32:35,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:32:35,625 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001311050] [2021-10-28 09:32:35,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:32:35,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:32:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:32:35,668 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:32:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:32:35,732 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:33:34,341 WARN L207 SmtUtils]: Spent 58.48 s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-28 09:34:32,255 WARN L207 SmtUtils]: Spent 28.73 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-28 09:34:32,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:34:32 BoogieIcfgContainer [2021-10-28 09:34:32,425 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:34:32,426 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:34:32,426 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:34:32,426 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:34:32,427 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:32:34" (3/4) ... [2021-10-28 09:34:32,441 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 09:34:32,541 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be116fa-4b7e-4720-b811-2d4c9069c5f6/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:34:32,542 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:34:32,543 INFO L168 Benchmark]: Toolchain (without parser) took 120018.70 ms. Allocated memory was 142.6 MB in the beginning and 203.4 MB in the end (delta: 60.8 MB). Free memory was 107.4 MB in the beginning and 97.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 70.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:34:32,543 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 86.0 MB. Free memory was 57.5 MB in the beginning and 57.4 MB in the end (delta: 25.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:34:32,544 INFO L168 Benchmark]: CACSL2BoogieTranslator took 457.96 ms. Allocated memory is still 142.6 MB. Free memory was 107.4 MB in the beginning and 109.0 MB in the end (delta: -1.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:34:32,545 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.25 ms. Allocated memory is still 142.6 MB. Free memory was 109.0 MB in the beginning and 105.9 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:34:32,545 INFO L168 Benchmark]: Boogie Preprocessor took 50.89 ms. Allocated memory is still 142.6 MB. Free memory was 105.9 MB in the beginning and 103.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:34:32,546 INFO L168 Benchmark]: RCFGBuilder took 963.36 ms. Allocated memory is still 142.6 MB. Free memory was 103.3 MB in the beginning and 61.3 MB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:34:32,547 INFO L168 Benchmark]: BuchiAutomizer took 118348.45 ms. Allocated memory was 142.6 MB in the beginning and 203.4 MB in the end (delta: 60.8 MB). Free memory was 61.3 MB in the beginning and 99.8 MB in the end (delta: -38.5 MB). Peak memory consumption was 69.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:34:32,547 INFO L168 Benchmark]: Witness Printer took 116.06 ms. Allocated memory is still 203.4 MB. Free memory was 99.8 MB in the beginning and 97.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:34:32,551 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 86.0 MB. Free memory was 57.5 MB in the beginning and 57.4 MB in the end (delta: 25.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 457.96 ms. Allocated memory is still 142.6 MB. Free memory was 107.4 MB in the beginning and 109.0 MB in the end (delta: -1.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.25 ms. Allocated memory is still 142.6 MB. Free memory was 109.0 MB in the beginning and 105.9 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.89 ms. Allocated memory is still 142.6 MB. Free memory was 105.9 MB in the beginning and 103.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 963.36 ms. Allocated memory is still 142.6 MB. Free memory was 103.3 MB in the beginning and 61.3 MB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 118348.45 ms. Allocated memory was 142.6 MB in the beginning and 203.4 MB in the end (delta: 60.8 MB). Free memory was 61.3 MB in the beginning and 99.8 MB in the end (delta: -38.5 MB). Peak memory consumption was 69.8 MB. Max. memory is 16.1 GB. * Witness Printer took 116.06 ms. Allocated memory is still 203.4 MB. Free memory was 99.8 MB in the beginning and 97.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 99 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 118.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 117.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 99 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 144 SDtfs, 439 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 890]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=31924} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3acbe5f2=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=31924, NULL=31950, retValue_acc=0, NULL=0, NULL=31943, NULL=31926, NULL=31949, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@78b48217=0, NULL=31944, NULL=0, NULL=0, NULL=31935, tmp=0, tmp___1=0, NULL=31938, tmp=0, NULL=0, NULL=0, NULL=31941, NULL=31933, NULL=31946, cleanupTimeShifts=4, NULL=31937, NULL=31932, NULL=31951, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5929bb22=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a5a0a45=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32c6946d=52, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73ca0cfa=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@446a99ee=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=0, NULL=31942, NULL=31948, \result=1, head=0, pumpRunning=0, \result=0, NULL=31934, NULL=31929, tmp=1, NULL=0, NULL=31927, NULL=0, NULL=0, NULL=0, NULL=31947, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6106509c=0, NULL=31952, tmp___0=0, NULL=0, retValue_acc=1, NULL=0, NULL=31931, tmp___2=52, tmp___0=0, NULL=31925, NULL=31936, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=31940, NULL=31928, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2db59ded=0, head=0, NULL=0, NULL=0, tmp=0, NULL=31939, NULL=0, NULL=0, NULL=31945, NULL=31930, NULL=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L419] int methAndRunningLastTime ; [L458] int cleanupTimeShifts = 4; [L567] int waterLevel = 1; [L568] int methaneLevelCritical = 0; [L702] int pumpRunning = 0; [L703] int systemActive = 1; [L540] int retValue_acc ; [L541] int tmp ; [L691] int retValue_acc ; [L694] retValue_acc = 1 [L695] return (retValue_acc); [L547] tmp = valid_product() [L549] COND TRUE \read(tmp) [L424] methAndRunningLastTime = 0 [L881] int splverifierCounter ; [L882] int tmp ; [L883] int tmp___0 ; [L884] int tmp___1 ; [L885] int tmp___2 ; [L888] splverifierCounter = 0 Loop: [L890] COND TRUE 1 [L892] COND TRUE splverifierCounter < 4 [L898] tmp = __VERIFIER_nondet_int() [L900] COND FALSE !(\read(tmp)) [L908] tmp___0 = __VERIFIER_nondet_int() [L910] COND FALSE !(\read(tmp___0)) [L918] tmp___2 = __VERIFIER_nondet_int() [L920] COND TRUE \read(tmp___2) [L709] COND FALSE !(\read(pumpRunning)) [L716] COND TRUE \read(systemActive) [L764] int tmp ; [L767] COND FALSE !(\read(pumpRunning)) [L738] int tmp ; [L741] COND FALSE !(\read(pumpRunning)) [L429] int tmp ; [L430] int tmp___0 ; [L606] int retValue_acc ; [L609] retValue_acc = methaneLevelCritical [L610] return (retValue_acc); [L434] tmp = isMethaneLevelCritical() [L436] COND FALSE !(\read(tmp)) [L452] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 09:34:32,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4be116fa-4b7e-4720-b811-2d4c9069c5f6/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...